Improvement in flood-gates



UA ITED STATES PATENT OEEICE.

DAVID BOWLES, O F MISEBS STATION, TENNESSEE.

IMPROVEMENT IN FLOOD-GATES.

cifcation forming part of Letters Patent No. 202,221, dated April 9, 1878; application filed December 7, 1877.

l om it may concern: formed with a shoulder or offset, a, in its outer To all Be known that I, DAVID BOWLEs, of end. Correspondingwith these braces the lap- Miser tation, in the county of Blount and board D is cut out to form round bearings b, State Tennessee, have invented certain new upon which said shouldered braces can rest, and u ul Improvements in Flood-Gates; an'd these bearings being on a line with the axis I do l by declare that the following is a full, of the lap-board. On thebearings b are formed clear, d exact description thereof, reference or attached lugs or projections d, as shown. being d to the accompanying drawings, and The ood-gate is raised up until the braces G to th tters of reference marked thereon, can rest with their shoulders a upon the bear- Which rm part of this specification. ings 7), and the lap-board D is set at an angle The ture of my invention consists in the down stream. const tion and arrangement of a falling It will readily be seen that, the gate being floode, as will be hereinafter more fully placedinproperposition,inclineddownstream, set fo and supported by the braces, as described, In u er to enable others skilled in the art when the water passes over the flood-gate and to w l my invention appertains to make strikes the lap-board with sufficient force, the and u the same, I will now proceed to delap-board will be turned down onto the platscribe s construction and operation, referform, and the lugs or projections d will throw ring t e annexed drawings, in Whichoff the braces G from the bearings b, and the Fig 1 is a plan View; Fig. 2, a central flood-gate will at once fall, lettingy the water crosstion; and Figs. 3, 4, and 5, detail pass, protecting the dam and level, and carryviews my ood-gate. ing away the sediment from the pond.

A r esents a platform of any suitable di- Having thus fully described my invention, mensi which is to be placed in the dam, what I claim as new, and desire to secure by or wh the water is to be raised, as far be- Letters Patent, is

urface of the water in the pond as it The combination of a falling flood-gate, C,

1s to i drawn off. The platform A has an with hinged braces Gr, the lap-board D, with abut t, B, at each end. bearings b, and the lugs d on said bearings,

C r esents'the gate placed across the platall arranged between abutments B on a platform, r the upper end, and extending from form, A, substantially as and for the purposes abut a t to abutment, it having journalherein set forth.

beari in said abutments at the lower edge. In testimony that I claim the foregoing as D r esents a lap-board placed below the my own I affix my signature in presence of llood e, and having its journal-bearings in two witnesses.

1n the utments B B. DAVID. BOWLES.

To free edge of the flood-gate C are Witnesses:

hinge r loosely connected three arms or R. P. BOWERMAN,

brace. i G, more or less, each of which is JAMES W. EVERETT. 

